Oregon, California, Minnesota, Wisconsin, Iowa, Michigan, Illinois, Indiana, Ohio, Pennsylvania, New York, New Jersey, Vermont, New Hampshire, Massachusetts, Maine, Rhode Island, and Connecticut.
What were the confederate states?
Texas, Arkansas, Tennessee, Virginia, North Carolina, South Carolina, Georgia, Alabama, Mississippi, Louisiana, and Florida.
What were the Border states (Union Slave)?
Missouri, Kentucky, (present-day) West Virginia, Maryland, and Delaware.
What was the path from Atlanta, Georgia to Savannah, Georgia, then Savannah to Columbia, South Carolina called?